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Product number
  • 864755
  • 864754
  • 864753
  • 864756
  • 864525
Manufacturer code
  • 1000205
  • 1000207
  • 1000200
  • 1000209
  • 26599-999-989
Brand
  • Sennheiser
  • Sennheiser
  • Sennheiser
  • Sennheiser
  • Jabra
Warranty
  • 2 years
  • 2 years
  • 2 years
  • 2 years
  • 2 years
Warranty type
  • Carry-in warranty
  • Carry-in warranty
  • Carry-in warranty
  • Carry-in warranty
  • Carry-in warranty
Old product returned for free
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes

Office headset suitable for device
  • Deskphone, PC, Smartphone
  • Deskphone, PC, Smartphone
  • Deskphone, PC, Smartphone
  • Deskphone, PC, Smartphone
  • Deskphone, PC, Smartphone
Supported communication software
  • BlueJeans, Cisco, Lifesize, Microsoft Communications, Microsoft Skype for Business, Unified Communications, Zoom
  • BlueJeans, Cisco, Lifesize, Microsoft Communications, Microsoft Skype for Business, Unified Communications, Zoom
  • BlueJeans, Cisco, Lifesize, Microsoft Communications, Microsoft Skype for Business, Unified Communications, Zoom
  • BlueJeans, Cisco, Lifesize, Microsoft Communications, Microsoft Skype for Business, Unified Communications, Zoom
Pick up/hang up phone call
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
Standby time
  • 14 h
  • 1944 h
  • 360 h
  • 1499 h
  • 37 h
Spoken notifications
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes

Integrated microphone
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
Microphone recording type
  • Mono
  • Mono
  • Mono
  • Mono
  • Mono
Microphone noise suppression
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
Microphone mute function
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
How to mute
  • Via the button on the ear cup
  • Close the microphone boom
  • Via the button on the ear cup
  • Via the button on the ear cup
  • Close the microphone boom
Collapsible microphone
  • No
  • Yes
  • No
  • No
  • Yes
Flexible microphone
  • No
  • No
  • No
  • No
  • No
Detachable microphone
  • No
  • No
  • No
  • No
  • No

Connection type
  • Wired, Wireless
  • Wired, Wireless
  • Wired, Wireless
  • Wired, Wireless
  • Wireless
Bluetooth
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
Bluetooth version
  • 5.0
  • 5.0
  • 5.0
  • 5.0
  • 5.0
Nano receiver
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
Software compatibility
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
Supported communication software
  • BlueJeans, Cisco, Lifesize, Microsoft Communications, Microsoft Skype for Business, Unified Communications, Zoom
  • BlueJeans, Cisco, Lifesize, Microsoft Communications, Microsoft Skype for Business, Unified Communications, Zoom
  • BlueJeans, Cisco, Lifesize, Microsoft Communications, Microsoft Skype for Business, Unified Communications, Zoom
  • BlueJeans, Cisco, Lifesize, Microsoft Communications, Microsoft Skype for Business, Unified Communications, Zoom
Licensed for Skype for Business
  • Yes
  • Yes
  • Yes
  • Yes
USB port
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
Type of USB port
  • Standard USB-A
  • Standard USB-A
  • Standard USB-A
  • Standard USB-A
  • Standard USB-A
Number of USB ports
  • 1
  • 1
  • 1
  • 1
  • 1
Headphone jack
  • No
  • No
  • Yes
  • No
  • No
Type of headphone connection
  • 3.5mm (TRS)

Type of ear cushions
  • In-ear
  • Over ear
  • Over ear
  • Over ear
  • On ear
Ear cushion material
  • Rubber
  • Imitation leather
  • Imitation leather
  • Imitation leather
  • Imitation leather
Headphones wearing method
  • In your ear
  • Over your ears, Over your head
  • Over your ears, Over your head
  • Over your ears, Over your head
  • Over your head
Number of ear cups
  • 2
  • 2
  • 2
  • 2
  • 2
Rotatable ear cups
  • Yes
  • Yes
  • Yes
  • No
  • Yes
Foldable
  • Yes
  • Yes
  • Yes
  • Yes
  • No

Power source
  • Yes
  • Yes
  • Yes
  • Yes
  • Yes
Power supply type
  • USB port PC/laptop
  • USB port PC/laptop
  • USB port PC/laptop
  • USB port PC/laptop
  • USB port PC/laptop
Cable length
  • 1,29 m
  • 1,29 m
  • 1,29 m
  • 1,29 m
  • 1,2 m
Base station
  • No
  • No
  • No
  • No
  • Yes

Weight
  • 50 g
  • 229 g
  • 227 g
  • 238 g
  • 176,4 g
Material
  • Metal, Plastic
  • Metal, Plastic
  • Metal, Plastic
  • Metal, Plastic
  • Metal, Plastic
Color
  • Black
  • Black
  • Black
  • Black
  • Black